NAVIS NavDP 4000. Operation Manual
2.6.3
Take Control
— the pushbutton is meant for the control transfer between
– DP-A and DP-B control systems (for DP class 2) ;
– control panels in a control system (if two or more control panels are used).
A green LED indicator near the Take Control pushbutton indicates whether a control panel is active or not.
The system operates in one of the control transferring modes:
– Take;
– GiveTake.
The mode settings are performed when the system is configured and not allowed to change using the software GUI.
Take Mode
Control can be taken to any control panel holding the
Take control
button.
GiveTake Mode
This configuration means that the system should be switched to the transfer state. Press the
Take control
button on
the active panel.
After the system is switched to the control transferring state, the
Take control
buttons indicators on inactive panels
start blinking.
For taking control, it is necessary to press the
Take control
button on the active control panel and hold it for the a
preset period (60 seconds by default). In case there is no action during this period, the system returns to the previous state,
and it is under control of the current active panel. The other method of returning control to the active panel is pressing the
Take control
button on the active panel within the given period.
NOTE!
In case of emergency outage of a main control panel, the system is
switched to the control transferring state automatically. In case of emer-
gency outage of a portable control panel, the control is transferred to the
main control panel automatically.
2.6.4
Serial Link Indicator
indicates the state of the control panel connection with a control computer via a serial link (RS-422). Green
indicator means connection is OK while red one means connection fault.
2.6.5
Battery Indicator
indicates an internal battery status. Red indicator means the battery is nearly dead.
2.6.6
Knob Match and Joystick Match
If the system operates in Auto position control mode, the vector of thee total thrust produced by thrusters is continu-
ously displayed on the screen.
If the vessel position control is switched to the manual mode the vector of the total thrust is controlled by the operator
with the help of joystick.
The joystick tilt can be different from the one corresponding to the current vessel position so after the system is
switched to the manual control mode, the operator should synchronize the joystick position with the current thrust vector.
The Joystick Match indicator (see Figure 2.26 ) hints directions to tilt the joystick.
It helps to avoid an undesirable jump in the thruster control.
The similar process is to synchronize the rotary knob position with the proper indicator (see Figure 2.27 ) in case the
vessel heading control is switched from the automatic to manual mode.
39
Doc. 000.JDP-10000-OME, rev.3.3.13/“2102.$–17A-Advanced”
Содержание NavDP 4000 Series
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